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New Yorkers “poured by thousands” then to see the museum’s once top exhibition—but as of this writing, history is yet to count the total visitors that will come to see a creature (open to public viewing starting Friday) that doubles the size of the classic AMNH brontosaur.

The largest dinosaur ever discovered, the titanosaur was 122 feet in length and weighed roughly 70 tons—yet like its smaller sauropod relatives was a herbivore. Living during the Late Cretaceous Period, the actual fossil was unearthed in modern day Argentina—but its bones only served as the model for what now stands in AMNH, as its remains were scanned and replicated with fiberglass—so no, save for a handful of scheduled sidebar fossils, the monstrosity on display is not the true beast.

Nonetheless, it is life-size—actually making it physically too large to stand up straight under the museum’s 19-foot-high ceilings: “We struggled with just fitting him in, and in order to do it, we had to crouch him down,” said museum president Ellen Futter to ABC-TV NY (WABC). As it turns out, the hall also isn’t long enough to completely hold the dinosaur, as the titanosaur’s head protrudes from its exhibit room into an adjoining entranceway.

Yet despite its remarkable dimensions, the possibility remains that an even larger subject could one day grace the AMNH: “This is probably a young adult, so it’s not even full grown,” paleontologist Michael Novacek told WABC, “There may be bigger dinosaurs found in the future. We don’t know.”